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本章提要. 本章介绍设计液压传动系统的基本步骤和方法,对于一般的液压系统,在设计过程中应遵循以下几个步骤: ①明确设计要求,进行工况分析; ②拟定液压系统原理图; ③计算和选择液压元件; ④发热及系统压力损失的验算; ⑤绘制工作图,编写技术文件。 上述工作大部分情况下要穿插、交叉进行,对于比较复杂的系统,需经过多次反复才能最后确定;在设计简单系统时,有些步骤可以合并或省略。通过本章学习,要求对液压系统设计的内容、步骤、方法有一个基本的了解。.

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本章提要

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10.1


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10.1.1

10.1.1.1


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10.1.1.2


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(1)

(2)

(3)


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(4)

(5)

(6)

0.90~0.97


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F

10.4

:

10.5

:

:

10.6

:

10.7


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10.1.2

10.1.2.1


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10.1.2.2

:

,


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10.1.2.3


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//

10.1.3

10.1.3.1

10.1


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1


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10.8

A

2

DdDd

10.8


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3

Dd

Dd


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10.9

10.10

F

P


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4


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10.11

:

10.1.3.2

1


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10.11

:

K K=1.1~1.3

2


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3

25%60%


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10.13

4


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10.1.3.3


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10.1.3.4


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10.1.4

10.1.4.1


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10.1.4.2


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10.14


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10.15

: A

10.16


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10.1.5

10.1.5.1


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10.1.5.2


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10.2

12000N15000N0.0201.2mmin 4 mmin


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10.1

1-2-3-4-5-


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10.2.1


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10.2.2


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10.2


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10.3

10.2.3

10.2.3.1

(1)


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N

N

m/s

s


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N

N

(2)

Y Peq=0.2MPa A1=80mm,


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10.4

3


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N

N

4

0.3-0.5MPa Pb=0.3MPa,2,A1=80 mm,A2=40 mm


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5

P=3MPa

2


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:

:


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A1 A1

qmin50ml/min

vmin20mmmin


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,

10.2.3.2

(1)


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kl= 1.1

,

YBN-40M


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=0.8

(2)


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35D25BO

I25B

Q10B

10.2.3.3


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Q10B

B10

XB10B

22C25B


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10.2.3.3

27.5lmin10

,12

12.51min8

354


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